United Kingdom in June: Weather, Crowds & What to Expect

Season
High Season
Temperature
12-21°C (54-70°F)
Crowds
High
Prices
High
June is the start of peak tourist season with generally warm, often pleasant weather and long daylight hours. Expect larger crowds at major attractions and higher accommodation costs in cities and coastal resorts.

Climate Map for June

United Kingdom average temperature in June
-30°-20°-10° 10°20°30°40°

Average temperature across United Kingdom in June.

City Weather in June

City High Low Rain UV Feels
London 21° 11° 55 mm high Cool
Birmingham 19° 10° 74 mm high Cool
Glasgow 18° 62 mm high Cool
Manchester 19° 11° 69 mm high Cool
Sheffield Cathedral 19° 10° 67 mm high Cool
Leeds 19° 10° 61 mm high Cool
Edinburgh 18° 53 mm high Cool

High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.

Southeast England & London

The city bakes during heatwaves in June: London frequently reaches mid to high twenties Celsius, and concrete streets can feel sticky in still conditions, so early-morning walks along the Thames are recommended. Coastal spots like Brighton offer cooling sea breezes; expect crowded patios and long queues for rooftop events. Thunderstorms can develop in the late afternoon; carry a light rain jacket and drink plenty of water when exploring the monuments.

Southwest England (Cornwall, Devon, Somerset)

Junes in the region are warm and increasingly busy, with the Cornish beaches filling as soon as sunshine arrives; water temperatures are still fresh but suitable for coastal swims and kayaking. Festivals and regattas animate towns like Falmouth and St Ives, and long daylight makes exploring coastal paths feasible even later in the day. Pack sun protection, a light hoodie for evenings, and be prepared for sudden showers.

Wales & the Marches (Snowdonia, Brecon Beacons, Cardiff)

Summer in June is a good month for lowland touring: Portmeirion, Conwy Castle and the Gower enjoy comfortable daytime temperatures and fewer midges than later in the year. In warm spells, Welsh beaches fill and sea swimming becomes reasonable, though the water remains cooler than southern England. The Brecon Beacons’ waterfalls flow well after summer rain; lightweight waterproofs plus insect repellent are sensible.

Northern England (Lake District, Yorkshire Dales, Northumberland)

June frequently brings stable, comfortable weather and is one of the better months for outdoor activity in the north: Lake District tarns reflect clear skies, and coastal breezes keep walkers cool. Midges can appear in sheltered, marshy spots near estuaries, so insect repellent helps in the evenings. Tourist numbers rise, particularly in Ambleside and Grasmere, so plan parking or use public transport for popular trailheads.

Scotland (Lowlands, Highlands & Islands combined)

June brings long daylight hours and generally mild, often settled weather - perfect for both city festivals and croftland walks in the Hebrides. The Highlands are accessible for most walkers and sea temperatures feel less bracing for brave swimmers at beaches like Sutherland. Expect high season crowds in Skye and the Isle of Skye ferry to be busy; pack insect repellent and a light waterproof for sudden showers.

Northern Ireland

June is a pleasant time with warm, often sunny spells and long daylight - great for coastal hikes, marine wildlife watching around Rathlin Island and venturing into Glenroe. Midges are generally less of a problem than on the western Scottish coast, but calm, humid evenings can still attract insects near water. Pack light layers, a waterproof, and comfortable walking shoes - ferry timetables run more frequently in summer.

Events & Festivals in June

Wimbledon
Grand Slam tennis tournament held in late June and early July on the outskirts of London.